Gem bids for 4 Line Membrane Keypad For Esco Biosafety Cabinet Itemcatalog No: 1080474 L, Downflow Filter 895 X 457 X 66For Esco Biosafety Cabinet Item Catalog No: 1100033 L, H14 Filter No. 178 Exhaust For Esco Biosafety Cabinetitem Catalog No: 1100154